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Recent content by Walter melon

  1. W

    Please help me understand this umol's/par

    Wow.... Well thanks for pointing me in the right direction folks. I guess I'll stick with YouTube and fourm people's advice from now on and pass on actual funded study's that have proven correct. Mostly because they aren't "perfect". Fourm grows I guess are a bit more perfect. Not taking...
  2. W

    Any advice would be greatly appreciated

    As for the fan question, you would need to know the cfm it pulls. The size of the fan would denote the size of the filter you use. With 6 plants in full bloom, you obviously can't run a coffee can sized filter. You'll want to exchange the entire volume of air (from what I remember) 3 times an...
  3. W

    Please help me understand this umol's/par

    You're kidding right? The paper I sited came off of the internet? That's a peer reviewed study... You can't tell me a helper in the lighting section of a forum, has a better understanding, equipment, resources, and history in botany than a federally funded government sanctioned op that's been...
  4. W

    Please help me understand this umol's/par

    Re: Plz help me understand this umol's/par Hey, who can argue with the internet right?
  5. W

    Please help me understand this umol's/par

    Re: Plz help me understand this umol's/par No where in my statement did I say it can't be done. I said it wasn't the results I was looking for. I'm also one that would rather get my science from something peer reviewed instead of YouTube, respectfully. Even with a marginal return on my $100...
  6. W

    Please help me understand this umol's/par

    Re: Plz help me understand this umol's/par The bloomspect 600 at 18" puts off around 1300 ppfd according to the advertised values and costs around $100.
  7. W

    Please help me understand this umol's/par

    Re: Plz help me understand this umol's/par You are correct about the chart with both lights. I always assume everyone runs how I do. 3x3 with 2 600w panels side by side mine would double at the center. Space between the lights would need to be taken into account. You would have to space yours...
  8. W

    Please help me understand this umol's/par

    Re: Plz help me understand this umol's/par Photosynthetic response of Cannabis sativa L. to variations in photosynthetic photon flux densities, temperature and CO2 conditions Is one, there are plenty more
  9. W

    Please help me understand this umol's/par

    Re: Plz help me understand this umol's/par The university of Mississippi's own marijuana paper is where I got my ppfd numbers. I can also site them if you'd like. Can you site your papers with a scientific study?
  10. W

    Please help me understand this umol's/par

    Re: Plz help me understand this umol's/par That's at a height of 24". You can get that light a lot closer than that to get the ppfd up. There's a way to calculate what it would be at 16". At 16" I think it would be around 900 or 1100? Each. Maybe much higher, the inverse square law formula is...
  11. W

    H&G Nutes Question

    Not sure of the actual base fertilizer they use, but it's probably just mono potassium phosphate, or potassium sulfate, or a mix of the two to make it a "proprietary blend". You can pick up a kg of each for around $13 and have enough for years depending on your op. I personally use the mpk and...
  12. W

    Please help me understand this umol's/par

    Re: Plz help me understand this umol's/par I personally run a 3x3x4 tent with 2 600w LEDs (360 something w at the wall.) 1 viparspectra, and one bloomspect. I'm leaning towards the bloomspect being the better light. Both lights were around $100 each. My ppfd as advertised is around 1400. The...
  13. W

    Is doubling wattage from 600w to 1200w for flower a good idea?

    It all depends on your ppfd numbers. If you have those we can help a bit more. I personally go from a 300w (160w draw) veg/cone room to a 600w metal halide flower room, then move to a finish room with 2 600w (300w draw) LEDs. All in 3x3x5 tents except the veg/clone room. That's a 3x4x4 closet...
  14. W

    LED - HPS - Or Both?

    The formula for your light bill is, cost per kwh x (watts of appliance ÷ kwh (1000)) x hours= cost. Or something like that. Math with words is a bit more complicated than I like it. I have ran a 600w hps in a 2x2x3.5 tent but I had to run the AC constantly and that adds in 1.5kw hr every...
  15. W

    Need help - Removed the shell once my Auto Jack sprouted and that's how they are now

    Re: Need help - Removed the shell once my auto jack sprouted and that's how they are Is what I'm looking at the membrane from the inside of the shell? Of it is, you'll need to keep it from drying out, it'll get REALLY stiff and kill it. If that's what it is,you spray it with water regularly...
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